Home / 130,740.54-196,122.48-50,776.59

Finding the Fourth Proportional to 130,740.54, 196,122.48 and 50,776.59

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Solution

The fourth proportional to 130,740.54, 196,122.48 and 50,776.59 is: 76,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,740.54 : 196,122.48 = 50,776.59 : x
  2. Step 2: Convert to fraction form
    130,740.54/196,122.48 = 50,776.59/x
  3. Step 3: Cross multiply
    130,740.54x = 196,122.48 × 50,776.59
  4. Step 4: Simplify right side
    130,740.54x = 9,958,430,756.74
  5. Step 5: Solve for x
    x = 9,958,430,756.74/130,740.54
  6. Step 6: Final answer
    x = 76,169.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.